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Tapping into fuse block

I am going to install some aux. flood lights on my truck and I had a question about the wiring.

I currently have many wires hooked up to the battery (single post). I have the plow wires, dump insert wires, starter wires, and mini lightbar wires. I don't really want to add another set of wires to the battery. I plan on putting in another battery at a later time (which brings up more questions ) but not right now.

I don't know a whole lot about wiring, but could I just tap into the fuse block? How much current will it handle?

Any advice would be appreciated.

Ryan

PS Here's how the mini lightbar turned out. I got a magnet mount/suction cup and ran it through the 3rd brake light with a 2-pin connector.

I have an auxillary battery hook up point on my firewall. I took a jumper wire off the main lug (behind that cover on the firewall, left of the aircleaner) and put a few unfused links there. I just run the wire where I want to go, with a fuse in it, that way, I know I always have a pretected circut, but the main feed is however, un protected. I will take a picture in the morning before class.

The lightbar looks good. I wanted to get a highlighter, but I got a better deal on my ECCO 5135.

IMO just about everything you have listed should be run with relays. I have a bunch of them lined up on the inner fender with a heavy guage feed wire. Then out with good stranded wire to whatever load the run. This allows me to have very small switches run with small wire (I used a computer cable) to control everything. Shorter the high amp runs the better.

I took a 10 gauge hot lead off the hot side of the starter solenoid, away from the corrosive elements of the battery. From here I went to a breaker box I got a Car Quest, it has 6 15 amp breakers in it, and routed all my accessories to it. You can switch out the breakers to higher value if you need and it offers protection to your circuits.

I have the same problems with my trucks,too many things to hook up .On my Dodge i use this add on fuse baox,it isnt cheap,but it works great.http://216.167.41.9/CoastalData/showdetl.cfm?&DID=30&Product_ID=959&CATID=7. I run all my lower draw accesorys off this fuse box. (my strobes, guages,edge comp box,boss plow controller,nitrous oxide activation switch ,transmission controller/ex brake,etc,etc. I Run any higher draws items (twin rotators,aux lights on the spreader)with a relay next to the batterys,and run the trigger wires into the cab.I usually run the ground into the cab,so this keeps all 12V+ wiring under the hood,just ground the wire,and the relay turns on.This makes wiring inside easier too. On my Dodge I have a good sized fuse box under the hood with a big cover,and a lot of extra spaces.I added a few inline fuses and they are all inside the fuse box too.I have an aux fuel pump relay,and fuse in there,Nitrous bottole heater fues/relay,and nitrous controller power coming from there as well.